
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Determine whether the value is a discrete random variable, continuous random variable, or not a random variable.
a. The time it takes to fly from City A to City B
b. The number of fish caught during a fishing tournament
c. The political party affiliation of adults in the United States
d. The number of statistics students now reading a book
e. The square footage of a house
f. The amout of snowfall in december in city A
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- help please.arrow_forwardUse Exelarrow_forwardDetermine whether the random variable x is discrete or continuous. Explain. Let x represent the distance a baseball travels in the air after being hit. Choose the correct answer below. O A. The random variable is discrete, because it has an uncountable number of possible outcomes. O B. The random variable is continuous, because it has an uncountable number of possible outcomes. O C. The random variable ks discrete, because it has a countable number of possible outcomes. D. The random variable is continuous, because it has a countable number of possible outcomes.arrow_forward
- What effect does increasing the sample size have on the probability? Provide an explanation for this result. Choose the correct answer below. A. The probability increases because the variability in the sample mean decreases as the sample size increases. B. The probability increases because the variability in the sample mean increases as the sample size increases. C. The probability decreases because the variability in the sample mean increases as the sample size increases. D. The probability decreases because the variability in the sample mean decreases as the sample size increases.arrow_forwardPlease state the sample space S. A pair of dice is to be rolled, and the maximum of the two numbers shown is to be recorded.arrow_forwardChoose the letter of the correct answer. 1. What is assigned probabilities to the values of a random variable? a. random variable b. probability distribution c. probability histogram d. experimentarrow_forward
- Using the data given below, determine whether it would unusual for a household to have no HD televisions. The number of televisions (HD) per household in a small town Televisions 1 2 Households 26 445 655 1474 P(x) 0.010 0.171 0.252 0.567 Choose the correct answer below. O A. It would be unusual because the probability of having no HD televisions is less than 0.05. OB. It would not be unusual because the probability of having no HD televisions is more than 0.05. O C. It would not be unuşual beçause 26 people have no HD televisions in the town. O D. It would be unusual because 26 people have no HD televisions in the town. Click to select your answer.arrow_forwardThe 8th group cut but the number is 0.005arrow_forwardSolve the last part what is the source of variability in the random variable? B. The sample size was weingarrow_forward
- An online retailer would like to know whether the proportion of customers who visit the site and make a purchase is different than 50%. A simple random sample of customers is taken. The results of the sample are shown below.arrow_forwardDetermine whether the value is a discrete random variable, continuous random variable, or not a random variable. a. The time required to download a file from the Internet b. The height of a randomly selected giraffe c. The eye color of people on commercial aircraft flights d. The number of free-throw attempts before the first shot is made e. The amount of rain in City B during April f. The number of hits to a website in a day a. Is the time required to download a file from the Internet a discrete random variable, a continuous random variable, or not a random variable? A. It is a discrete random variable. B. It is a continuous random variable. C. It is not a random variable. b. Is the height of a randomly selected giraffe a discrete random variable, a continuous random variable, or not a random variable? A. It is a discrete random variable. B. It is a continuous random variable. C. It is not a random variable c. Is the eye color of people on commercial aircraft flights a discrete random…arrow_forwardhelp in all part as soon asarrow_forward
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